Active radiometer for self-calibrated furnace temperature measurements
Patent
·
OSTI ID:403659
A radiometer is described with a probe beam superimposed on its field-of-view for furnace temperature measurements. The radiometer includes a heterodyne millimeter/submillimeter-wave receiver including a millimeter/submillimeter-wave source for probing. The receiver is adapted to receive radiation from a surface whose temperature is to be measured. The radiation includes a surface emission portion and a surface reflection portion which includes the probe beam energy reflected from the surface. The surface emission portion is related to the surface temperature and the surface reflection portion is related to the emissivity of the surface. The simultaneous measurement of surface emissivity serves as a real time calibration of the temperature measurement. 5 figs.
- Research Organization:
- Battelle Memorial Institute
- DOE Contract Number:
- AC06-76RL01830
- Assignee:
- Electro-Pyrolysis, Inc., Wayne, PA (United States); Massachusetts Inst. of Tech., Cambridge, MA (United States); Battelle Memorial Inst., Richmond, WA (United States)
- Patent Number(s):
- US 5,573,339/A/
- Application Number:
- PAN: 8-181,706
- OSTI ID:
- 403659
- Country of Publication:
- United States
- Language:
- English
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